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Finding the Fourth Proportional to 253,462.62, 349,754.68 and 151,467.78

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Solution

The fourth proportional to 253,462.62, 349,754.68 and 151,467.78 is: 209,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,462.62 : 349,754.68 = 151,467.78 : x
  2. Step 2: Convert to fraction form
    253,462.62/349,754.68 = 151,467.78/x
  3. Step 3: Cross multiply
    253,462.62x = 349,754.68 × 151,467.78
  4. Step 4: Simplify right side
    253,462.62x = 52,976,564,924.21
  5. Step 5: Solve for x
    x = 52,976,564,924.21/253,462.62
  6. Step 6: Final answer
    x = 209,011.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.